Predicted to enable identical protein binding activity and protein-glutamine gamma-glutamyltransferase activity. Acts upstream of or within animal organ morphogenesis. Located in adherens junction. Is expressed in epidermis; epidermis stratum granulosum; epidermis stratum spinosum; external naris epithelium; and stomach. Used to study autosomal recessive congenital ichthyosis 1. Human ortholog(s) of this gene implicated in autosomal recessive congenital ichthyosis 1. Orthologous to human TGM1 (transglutaminase 1). [provided by Alliance of Genome Resources, Apr 2022]